E. Grosswald, Representations of integers as sums of squares (Springer-Verlag, 1985) 251 pp., DM 148.
1987 ◽
Vol 30
(2)
◽
pp. 327-329
2002 ◽
Vol 95
(2)
◽
pp. 253-258
◽
2005 ◽
Vol 37
(06)
◽
pp. 818-826
◽
1986 ◽
Vol 18
(6)
◽
pp. 628-629